TY  - RPRT
TI  - Safety and tolerance of ester-C compared with regular ascorbic acid.
AU  - Joerg Gruenwald
AU  - Hans-Joachim Graubaum
AU  - Regina Busch
AU  - Christine Bentley
DO  - 10.1007/bf02850358
UR  - https://pubmed.ncbi.nlm.nih.gov/16644619/
ID  - 16644619
ER  -